55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <lib9.h>
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void
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main(int argc, char *argv[])
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{
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int i, fd, pid, n;
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char wdir[256];
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int dflag;
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dflag = 0;
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ARGBEGIN{
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case 'd':
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dflag = 1;
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break;
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default:
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fprint(2, "usage: wnew [-d] [label]\n");
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}ARGEND
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pid = getpid();
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wdir[0] = '\0';
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if(!dflag)
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getwd(wdir, sizeof wdir);
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if(argc>0)
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for(i=0; i<argc; i++)
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snprint(wdir, sizeof wdir, "%s%c%s", wdir, i==0? '/' : '-', argv[i]);
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else
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snprint(wdir, sizeof wdir, "%s/-win", wdir);
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if((fd = open("/dev/wnew", ORDWR)) < 0)
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sysfatal("wnew: can't open /dev/wnew: %r");
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if(fprint(fd, "%d %s", pid, wdir+dflag) < 0)
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sysfatal("wnew: can't create window: %r");
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if(seek(fd, 0, 0) != 0)
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sysfatal("wnew: can't seek: %r");
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if((n=read(fd, wdir, sizeof wdir-1)) < 0)
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sysfatal("wnew: can't read window id: %r");
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wdir[n] = '\0';
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print("%s\n", wdir);
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exits(nil);
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}
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